(a) Microscopic image and schematic representation of crystal polymorphs obtained via heteroepitaxial growth (α-phase: green; β-phase: red). Polystyrene particles with a diameter of 860 nm were used ...

Crystal polymorphism is critically important in the fields of pharmaceuticals and materials science. For instance, a metastable polymorph of an active pharmaceutical ingredient may benefit from ...

Sometimes, compounds crystallize in unexpected ways. This is a problem for drug manufacturers, who need to create consistent products. Scientists are working to understand why substances take on ...